The "await a stable state" language ensures that author code has reached a point where other code can run, and that nothing else is in the queue to be run. This ensures that, for example, the promise'​s callbacks will be called immediately after the status attribute is changed.

The "await a stable state" language ensures that author code has reached a point where other code can run, and that nothing else is in the queue to be run. This ensures that, for example, the promise'​s callbacks will be called immediately after the status attribute is changed.